Now you can write.
use v5.20; use feature 'signatures';
sub print_text( $param1 , $language = "perl", $years = 10 ) { say "I would have loved this $language $param1 more then $years years ago"; }
print_text "feature"
use v5.36;
Point is. As soon as I tell someone "you have to use tarball/cpan/cpanplus/cpanminus to install the feature "named parameters" they leave.
But now it's here